289510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:168

約数の個数: 32

約数和(自身を含む): 598752

約数和(自身を除く): 309242

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 131, 170, 221, 262, 442, 655, 1105, 1310, 1703, 2210, 2227, 3406, 4454, 8515, 11135, 17030, 22270, 28951, 57902, 144755, 289510]

約数ペア:

[(1, 289510), (2, 144755), (5, 57902), (10, 28951), (13, 22270), (17, 17030), (26, 11135), (34, 8515), (65, 4454), (85, 3406), (130, 2227), (131, 2210), (170, 1703), (221, 1310), (262, 1105), (442, 655)]